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Drugs and Health Products

Patent Register

The Next link will take you to another Web site Patent Register is an alphabetical listing of medicinal ingredients and their associated patents, the patent expiry dates and other related information established in accordance with the Patented Medicines (Notice of Compliance) Regulations [SOR/133-93 as amended]. As of September 15, 2010, the Patent Register has been modified to meet Common Look and Feel 2.0 formatting requirements. The database is updated nightly and contains patent-related information on human and veterinary drugs from March 12, 1993 to date.

Please note that the official paper version of the Patent Register will continue to be maintained by the Therapeutic Products Directorate at the Finance Building, 101 Tunneys Pasture Driveway in Ottawa, Ontario, and will remain open to the public during business hours.

For information related to treatment options, choices of medications and their uses, illnesses, side effects or drug interactions, please contact your health care professional (for example, doctor, pharmacist, etc.). We do not provide medical advice regarding the use of the products identified in this database.

If you have any questions relating to the Patent Register contents, please direct them to or by telephone at (613) 941-7281.

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